00000cam 2200000za 4500 9.855792 CaOODSP 20241203113642 cr ||||||||||| 180425s1983 oncd|||#o f00| 0 eng d CaOODSP eng n------ CW69-1/50E-PDF Boyd, H. Intensive regulation of duck hunting in North America [electronic resource] : its purpose and achievements / Hugh Boyd. [Ottawa] : Canadian Wildlife Service, c1983. 24 p. : charts. Occasional paper ; no. 50 Digitized edition from print [produced by Environment and Climate Change Canada]. Issued also in French under title: Réglementation intensive de la chasse aux canards en Amérique du Nord : but et réalisations. Includes bibliographical references. "Duck hunting in Canada and the USA is controlled by regulations set annually by the two federal governments, using information on duck numbers obtained by extensive field surveys and on hunting activity by means of mail questionnaires. These activities cost about $12 million annually"--Abstract. gccst Birds gccst Hunting (Sport) Ducks Canada. Environment Canada. Canadian Wildlife Service. Réglementation intensive de la chasse aux canards en Amérique du Nord (CaOODSP)9.856517 Occasional paper (Canadian Wildlife Service) no. 50 (CaOODSP)9.504780 PDF 4.47 MB https://publications.gc.ca/collections/collection_2018/eccc/CW69-1-50-eng.pdf